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Finding the Fourth Proportional to 377,397.92, 520,777.44 and 222,324.48

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Solution

The fourth proportional to 377,397.92, 520,777.44 and 222,324.48 is: 306,789.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,397.92 : 520,777.44 = 222,324.48 : x
  2. Step 2: Convert to fraction form
    377,397.92/520,777.44 = 222,324.48/x
  3. Step 3: Cross multiply
    377,397.92x = 520,777.44 × 222,324.48
  4. Step 4: Simplify right side
    377,397.92x = 115,781,573,543.73
  5. Step 5: Solve for x
    x = 115,781,573,543.73/377,397.92
  6. Step 6: Final answer
    x = 306,789.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.